CN101840135B - Projection type image display apparatus, recording plate and image projecting system - Google Patents
Projection type image display apparatus, recording plate and image projecting system Download PDFInfo
- Publication number
- CN101840135B CN101840135B CN2010101389112A CN201010138911A CN101840135B CN 101840135 B CN101840135 B CN 101840135B CN 2010101389112 A CN2010101389112 A CN 2010101389112A CN 201010138911 A CN201010138911 A CN 201010138911A CN 101840135 B CN101840135 B CN 101840135B
- Authority
- CN
- China
- Prior art keywords
- image
- mentioned
- projection
- light
- record
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
- G03B17/54—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/10—Projectors with built-in or built-on screen
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
- Drawing Aids And Blackboards (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The invention relates to a projection type image display apparatus, a recording plate and image projecting system. Provided is an image projecting system capable of filming the object at one side and performing description on the screen on the other side without reciprocation between the screen and the projector. The image projecting system includes a projection type image display apparatus which has a light source, a light modulation portion for modulating light from the light source, a projection portion for performing magnification and projection to the light after light modulation by the light modulation portion, and an imaging portion, which films a specific scope. The projection type image display apparatus performs magnification and projection based on the image of the image signal input from the imaging portion, the image projecting system includes a screen, for projecting the image come from the projection type image display apparatus, wherein a loading stage is provided at the lower end part of the screen, and the specific scope at least comprises the upper surface of the loading stage.
Description
Technical field
The present invention relates to a kind of image projecting system that uses recording plate and projection-type image display device to constitute.
Background technology
In the past, projection-type image display device carried out optical modulation and carried out enlarging projection by projecting cell these signal of video signal through optical modulation elements such as liquid crystal panels according to the signal of exporting from the output unit of output image signal such as transcriber, computing machine.Yet, recently, because the popularizing of TV conference system, function that the needs of education sector require projection-type image display device to have are also diversified.
Wherein, in advance disclosing a kind of projector in the technical literature, this projector has projector and use camera with the shooting that projector becomes one, and takes the photograph body with the quilt of the shooting direction of camera and takes being positioned to make a video recording.Take the quilt that obtains by shooting with camera and take the photograph the image of body and be sent to projector, carry out enlarging projection by projecting cell.
Patent documentation 1: TOHKEMY 2003-15216 communique
Summary of the invention
The problem that invention will solve
Yet, in the structure of technical literature in advance, need projector main body be left and is set to the optimum position of enlarged and displayed from the screen of projection image.For example, be placed on the worktable 8 and will utilize screen to explain the time will being taken the photograph body 6,, when demonstrating, can't describe glibly because screen opened with projector main body in 2 minutes, so need come and go between screen and projector main body 2.
In view of the above problems, while the application's invention provide a kind of need between screen and projector, not come and go just can take taken the photograph the image projecting system that body describes on screen.
The scheme that is used to deal with problems
First mode of the application's invention is a kind of image projecting system, comprises projection-type image display device, and this projection-type image display device possesses: light source; Light-modulating cell, it is modulated the light from this light source; Projecting cell, it carries out enlarging projection to the light that is undertaken by this light-modulating cell after the optical modulation; Image unit, it takes specific scope, and this projection-type image display device is to carrying out enlarging projection based on the image from the input signal of video signal of above-mentioned image unit; This image projecting system is characterised in that; Possess screen, this screen is used for the image of projection from above-mentioned projection-type image display device, has in the bottom of screen to carry to put platform; Wherein, above-mentioned specific scope comprises the upper surface of putting platform in above-mentioned year at least.
The image projecting system of second mode of the present invention is characterised in that in the related image projecting system of above-mentioned first mode, above-mentioned screen possesses: the record zone, can freely utilize Writing utensil equipped this record of putting down in writing and wipe in this record zone; The record regional frame, it covers four limits in this record zone; Two foots, it makes above-mentioned record zone upright; And rib, it forms vertical with above-mentioned two foots and is connected respectively with above-mentioned two foots, is used to support put platform in above-mentioned year.
The image projecting system of Third Way of the present invention is characterised in that; In the related image projecting system of above-mentioned first mode; Above-mentioned projection-type image display device possesses catoptron; This catoptron makes the image of wanting projection to crooked like lower direction and amplify reflection, and this direction is the acutangulate direction of ejaculation direction with above-mentioned projecting cell.
The image projecting system of cubic formula of the present invention is characterised in that in the related image projecting system of above-mentioned first mode, this image projecting system constitutes the coverage that can change above-mentioned image unit or takes direction.
The 5th mode of the present invention also can be to be made as the image projecting system with following characteristic: in the related image projecting system of above-mentioned first mode; Also possesses the intrusion detecting unit; This intrusion detection is taken the photograph in the coverage whether body invade above-mentioned image unit, and this image projecting system is taken the photograph the testing result that body invades according to having of being obtained by this intrusions detection and come from the image of above-mentioned projection-type image display device projection by above-mentioned image unit shooting.
The 6th mode of the present invention also can be to be made as the image projecting system with following characteristic: in the related image projecting system of above-mentioned first mode, also can the part of the light that penetrates from above-mentioned projection-type image display device be made as the illumination light that platform was put in irradiation in above-mentioned year.
The 7th mode of the present invention also can be to be made as the image projecting system with following characteristic: in the related image projecting system of above-mentioned first mode, put platform and be set to and can freely fold in above-mentioned year.
All directions of the present invention formula also can be to be made as the image projecting system with following characteristic: in the related image projecting system of above-mentioned the 7th mode; Also possesses the use detecting unit; This use detection was put platform in above-mentioned year and whether is in user mode; Be when putting platform in above-mentioned year and being in user mode by this use detection, connecting the power supply of above-mentioned image unit.
The 9th mode of the present invention also can be to be made as the image projecting system with following characteristic: in the related image projecting system of above-mentioned first mode; Above-mentioned screen possesses the record data processing division; This record data processing division will utilize the record content of Writing utensil equipped record to datumize as the record data; Wherein, this image projecting system possesses storage part, and this storage part is preserved above-mentioned record data and and data that obtain overlapping from the input signal of video signal of above-mentioned image unit.
The tenth mode of the present invention is a kind of projection-type image display device, possesses: light source; Light-modulating cell, it is modulated the light from this light source; And projecting cell; It carries out enlarging projection to the light that is undertaken by this light-modulating cell after the optical modulation; This projection-type image display device possesses the image unit of taking specific scope; This projection-type image display device utilizes above-mentioned light-modulating cell to carry out optical modulation to taking the image that obtains by this image unit, carries out enlarging projection from the image of above-mentioned projecting cell after to optical modulation.
The 11 mode of the present invention is a kind ofly put the recording plate that platform becomes one with carrying, and possesses: the record zone, can freely utilize Writing utensil equipped this record of putting down in writing and wipe in this record zone; The record regional frame, it covers four limits in this record zone; Two foots, it makes above-mentioned record regional frame upright; Rib, it forms vertical with above-mentioned two foots and is connected respectively with above-mentioned two foots; And carry and to put platform, it is used for carrying puts the observation thing, is individually fixed in the lower end of above-mentioned rib and above-mentioned record regional frame.
The effect of invention
Like this, through being made as structure of the present invention, not taken the photograph body and on screen, described while need between screen and projector, not come and go just can take.
Description of drawings
Fig. 1 is the side view of the related image projecting system of first embodiment.
Fig. 2 shows the figure of the related image photogenerated portion of first embodiment and dioptric system and catoptron.
Fig. 3 is the detailed perspective view of the related dioptric system of first embodiment.
Fig. 4 is the side view of the related projector of first embodiment.
Fig. 5 shows the block diagram of the structure of related projector of first embodiment and screen.
The camera image that Fig. 6 shows the projector that first embodiment is related projects to the figure of the process flow diagram on the screen.
Fig. 7 shows the figure of the captured example of the camera of the related projector of first embodiment.
Fig. 8 shows the related side view that carries the light structures of putting platform of first embodiment.
Fig. 9 shows the related stereographic map that carries the light structures of putting platform of first embodiment.
Figure 10 is the figure of an example of the related illumination light projection image of expression first embodiment.
Figure 11 shows the figure of the related variation of first embodiment.
Figure 12 shows the stereographic map put the screen that platform becomes one with related the carrying of first embodiment.
Figure 13 is that the unused state of platform and the figure of user mode are put in related the carrying of expression first embodiment.
Figure 14 is that the unused state of platform and the enlarged drawing of user mode are put in related the carrying of expression first embodiment.
Figure 15 shows the block diagram of the structure of related projector of second embodiment and screen.
Description of reference numerals
12: light source; 27,28,29: light-modulating cell (optical modulation element); 26: dioptric system (projecting cell); 30: catoptron; 51: projector (projection-type image display device); 54: camera (image unit); 71: taken the photograph body; 83: blank (record zone); 84: blank frame (record regional frame); 85: support foot (foot); 87: support strip (rib); 81: carry and put platform; 101: detector switch (use detecting unit); 111: image projecting system.
Embodiment
Below, referring to figs. 1 through Figure 15 the related image projecting system of each embodiment of the present invention is described.
In addition, accompanying drawing of the present invention is a synoptic diagram, note detail shape, size, ratio difference.In addition, also comprise detail shape, size, ratio different portions each other at accompanying drawing.
In addition, for different drawings numbering, to identical or similar part additional phase with Reference numeral and omit repeat specification.
[first embodiment]
(image projecting system)
Fig. 1 is the side view of the related image projecting system of first embodiment 111.
The bottom that camera 54 is configured in projector 51 is taken and is carried the upper surface of putting platform 81.Projector 51 selects specific input signal of video signal and enlarging projection to screen 82 from a plurality of input signal of video signal.In addition, projector 51 can with camera 54 take the image that obtains as input signal of video signal enlarging projection to screen 82.
Through being made as this structure, can recording plate 80 and projector 51 be formed as one and miniaturization.In addition, owing to can recording plate 80 and projector 51 be formed as one and miniaturization and possess castor 86, therefore can use to freedom of movement.In addition, be provided with screen 82 contiguously and put platform 81 with carrying, therefore, can near action below for example carrying out the image projecting system 111 of the application's invention: the demonstrator who demonstrates will be taken the photograph body to be carried and puts the action of year putting platform 81; And the action of using the image project to screen 82 to describe.Therefore, can implement demonstration glibly.
(projector portion)
Fig. 2 shows in the first embodiment the image photogenerated portion 11 that uses, make the dioptric system 26 of the image enlarging projection that image photogenerated portion 11 generated and the figure of catoptron 30.Light source 12 is made up of extra-high-pressure mercury vapour lamp, metal halide lamp, xenon lamp etc., and its projected light becomes directional light through parabolic mirror 13 and penetrates, and is directed into integration lens 14.
(fly's-eye lens: fly eye lens) 14a, 14b constitute integration lens 14 by a pair of lens combination; Whole of the optical modulation element that each lens component will be stated after will being directed to from the light that light source 12 penetrates; Make the local luminance inequality that exists in the light source 12 be able to equalization, it is poor with the light quantity of periphery to reduce picture central authorities.The light that has passed through integration lens 14 is directed into first dichronic mirror 17 after through polarized light converting means 15 and collector lens 16.
Polarized light converting means 15 is made up of polarization beam splitter array (below, be called PB S array).PB S array possesses polarized light separation membrane and polarizer (1/2 λ plate).Each polarized light separation membrane of PB S array makes from the for example P polarized light in the light of integration lens 14 and passes through, with light path change 90 degree of S polarized light.The S polarized light that light path is changed is directly penetrated by adjacent polarized light separation membrane reflection.On the other hand, the above-mentioned polarizer that the P polarized light that has seen through polarized light separation membrane is set at its front side (light emitting side) is transformed to the S polarized light and penetrates.That is, in this case, roughly all light all is transformed to the S polarized light.
First dichronic mirror 17 makes the light transmission of red wavelength frequency band, the light of reflection cyan (green+indigo plant) wavelength band.The light of red wavelength frequency band that sees through first dichronic mirror 17 is by completely reflecting mirror 18 reflections and light path is changed.By the red light of completely reflecting mirror 18 reflection through lens 19 and be directed into the infiltration type optical modulation element 27 that red light is used, through seeing through this optical modulation element 27 by optical modulation.On the other hand, be directed into second dichronic mirror 20 by the light of the wavelength band of the cyan of first dichronic mirror, 17 reflections.
Second dichronic mirror 20 makes the light transmission of blue wavelength frequency band, the light of reflection green wavelength band.Light by the green wavelength frequency band of second dichronic mirror 20 reflection is directed into the infiltration type optical modulation element 28 that green light is used through lens 21, through seeing through this optical modulation element 28 by optical modulation.In addition, the light that sees through the blue wavelength frequency band of second dichronic mirror 20 is directed into the infiltration type optical modulation element 29 that blue light is used through completely reflecting mirror 22, completely reflecting mirror 23, lens 24, through seeing through this optical modulation element 29 by optical modulation.
Each optical modulation element 27,28,29 constitutes to be possessed light incident side polarization plates 27a, 28a, 29a, liquid crystal is sealing between a pair of glass substrate (being formed with pixel electrode, alignment films) and panel part 27b, 28b, 29b and the emitting side polarization plates 27c, 28c, the 29c that constitute.
Through optical modulation element 27,28,29 and modulated light modulated (image light of all kinds) is synthetic and become chromatic image light by cruciform dichroic prism (cross dichroic prism) 25.This chromatic image light is by the dioptric system 26 forwards enlarging projection and mirror 30 enlarging projections that are reflected.
Fig. 3 shows the figure of the dioptric system 26 that uses in the first embodiment.(a) of Fig. 3 is the skeleton view of observing from the side of dioptric system 26, and (b) of Fig. 3 is the sectional view in the related X-X cross section of (a) of Fig. 3.
26 pairs of image light that generated by image photogenerated portion 11 of dioptric system amplify.Specifically, dioptric system 26 has: rear end housing 35, and it is set at 11 1 sides near image photogenerated portion; Front end shell 43, it is set at 11 1 sides away from image photogenerated portion; And engage 44, it connects rear end housing 35 and front end shell 43.
It is the part of the virtual circular shaped lens (below, be called virtual round lens) at center that the lens 41,42 that are contained in the non-circular shape in the front end shell 43 constitute with the optical axis L of dioptric system 26.The diameter of virtual round lens greater than the diameter that is contained in the round-shaped lens in the rear end housing 35 in order to image light is carried out the wide-angle projection.
The related dotted line of Fig. 3 is represented virtual round lens.The optical axis of virtual round lens need be identical with the optical axis L of dioptric system 26.Thereby the center in the cross section of virtual front end shell is identical with the optical axis L of dioptric system 26.
In addition, though in Fig. 2, omitted explanation, the optical axis of optical modulation element 27,28,29 is compared to the A lateral deviation with the optical axis L of dioptric system 26 and is moved.Thereby it is that 26 optical axis L is compared the side near the B side that lens 31～lens 34 will be directed to dioptrics from the light that optical modulation element 27,28,29 penetrates.Thus, realized from the oblique-angle projection of the light of optical modulation element 27,28,29 ejaculations.
In addition, " A side " and " B side " is not particularly limited up and down.At this,
" A side " and " B side " is used to only explain that both sides are the terms across this meaning of opposition side of dioptric system 26 optical axis L.
In addition, in this embodiment, the lens that are contained in front end shell 43 are made as the non-circular shape lens, but are not limited to this, also can use round-shaped lens.
Fig. 4 is to be the side view of the viewed of projector 51 from the related projection-type image display device of first embodiment.Projector 51 has image photogenerated portion 11, dioptric system 26, catoptron 30, protective cover 53 and camera 54.
The shooting direction that in addition, also can be made as camera 54 is not fixed but structure automatic or through moving on user's the spherical surface that operates in dome fixed part 56.
Thus, not only can be taken into as camera data, also can the record content on the screen, the personage etc. that views and admires image be taken into as camera data carrying to put on the platform 81.
In addition, camera 54 is configured on the side of image photogenerated portion 11, but also can be made as the internal configurations camera 54 at projector 51, is taken into shooting light from seeing through zone 55.
Thus, camera 54 can directly not clashed into, and does not decrease attractive in appearance.
Fig. 5 shows the block diagram of the structure of the related projector of first embodiment 51.
When from input such as computing machine, transcriber image input signal, from the equipment input image input signal of radio-cell 62 wireless connections the time, image processing portion 61 is suitable for the adjustment of the aspect ratio of projector 51 projections, the adjustment of image resolution.In addition; Image processing portion 61 is not imported under the situation of images, sending the signal of this meaning of expression to CPU 63, under the situation of having imported image; Be sent to image photogenerated portion 11 by the signal of image processing via CPU 63, to screen 82 projection images.
CPU 63 is according to the signal of not importing image from image processing portion 61; Sign image, the blue end image of reading pre-stored in image processing portion 61 is through projecting to screen 82 to image photogenerated portion 11 transmission sign images, image of the blue end with them.In addition, CPU 63 starts camera 54 through the signal of the startup camera 54 stated after receiving.
In addition; From camera 54 when image processing portion 61 sends camera datas and carries out image processing; Picture-in-picture), the mode of PBP (Picture by Picture: many pictures are browsed) shows exist under image input signal, the situation, also can be made as with the camera data of camera 54 with PIP (Picturein Picture: from the image of radio-cell 62.
In addition, owing to can utilize the radio-cell 62 of projector 51 to carry out wireless receiving, therefore can freely use image projecting system 111 and be not limited to the place of peripherals such as being provided with computing machine, transcriber, the place that can use the communications cable.
(control flow of camera)
Fig. 6 is the figure that the mode with process flow diagram illustrates image projecting that the projector 51 related cameras 54 of first embodiment are taken control method to the screen 82.
At first, carry out the setting of setting that projector 51 carries out the required light source of projection 12, not shown control circuit, image is carried out the setting (S20) of projection through the power supply (S10) of connecting projector 51.
After S20, judge whether to exist image input signal (S30).Under the situation that does not have image input signal (S30: " denying "), projection is stored in the sign in the image store portion 64, blue end image (S40) in advance, judges whether to exist image input signal (S30) once more.There being (S30: " being ") under the situation of image input signal,, image is carried out projection (S50) as projection image from projector 51 according to image input signal.
After S50, according to after the shooting the stated startup method of carrying the camera of putting on the platform 81 54 judge whether to start camera 54 (S 60).If do not start camera 54 (S60: " denying "), then continue to come projection image (S50) according to image input signal.If start camera (S60: " being "), then connect the power supply (S70) of camera 54.
After S70, camera 54 is taken into to carry puts the image A (S80) on the platform 81, after S80, and the image A (S90) that storage is taken into by camera 54 in image store portion 64.
After S90, camera 54 is put the image B (S100) on the platform 81 by being taken into once more during fixing to carry, after S100, and the image B (S110) that storage is taken into by camera 54 in image store portion 64.
After S110, the image A and the image B that relatively are taken into.If both consistent (S120: " being ") then are judged as carrying to put not have on the platform 81 to carry and put the article that will take, utilize camera 54 to be taken into once more to carry the image B that puts on the platform 81 up to year putting platform 81 upload put the article that will take till (S100).If with image B and both inconsistent (S120: " deny "), then be judged as year putting platform 81 and upload and be equipped with the article that to take, the image C (S130) that the continuation projection is taken into by camera 54 through the image A that relatively is taken into.In addition, image C also can be the moving image image.
After S130, the image C (S140) that storage is taken into by camera 54 in image store portion 64.
After S140, the image A and the image C that relatively are taken into.If both inconsistent (S150: " denying ") then are judged as and are keeping putting platform 81 and uploading the state that is equipped with the article that will take carrying, continue the image C (S130) that projection is taken into by camera 54.If through the image A that relatively is taken into image C and both consistent (S150: " being "); Then be judged as to have removed to carry and put the article that will take on the platform 81; Break off the power supply (S160) of camera 54, finish the projection (S170) of the shooting image of camera 54 shootings.
The control method that the image of projector 51 related cameras 54 being taken through such setting carries out projection; Make through that kind as shown in Figure 7 and to be taken the photograph body 71 and get into to carry and put in the coverage on the platform 81, can be with taking the image projecting that obtains by camera 54 to screen 82.
In addition, can with the user use to carry when putting platform 81 to carry the state storage of putting platform 81 surfaces be initial image.Thereby; Even owing to user's use is put platform 81 and become the state different state with new product carrying to put to stay on the platform 81 to use scar, dirt to make to carry; Also can be stored as initial image with there being carrying of use scar, dirt to put platform 81; Even therefore the user freely decorates to carry and puts platform 81 etc., also can carry out above-mentioned shooting action.
(light structures)
Below, use Fig. 8 to Figure 11 to specify irradiation and carry the light structures of putting platform 81.
Fig. 8 shows from the figure of the side view of the viewed of the image projecting system 111 of first embodiment.In addition, Fig. 9 shows the figure of stereographic map of the image projecting system 111 of first embodiment.
Not only project to blank 83 from the projected light of projector 51 projections, also project to and carry the whole surface of putting platform 81.Shown in figure 10, be divided into left side, right side, epimere portion, center section part, hypomere portion from the image of projector 51 projections and carry out projection.The image of projection black is as the image of left side and right side.Projection is based on the image of the image input signal image as epimere portion.The image of projection black is as the image of center section part.The image of projection white is as the image of hypomere portion.
In this case, the image based on image input signal of projection epimere portion on blank 83 in the black image of the following side of blank frame 84 projection as the stage casing image, is put on the platform 81 projection as the white image of hypomere image carrying.
Through being made as this structure; Not only, also put the white light of platform 81 projections, therefore be equipped with when being taken the photograph body 71 carrying as illumination light to carrying to the image of blank 83 projections expectations; Being taken the photograph body 71 must be brighter by rayed, can utilize camera 54 will be taken the photograph body 71 shootings and be brighter image.
(variation of illumination)
Below, specify the variation that the light structures of putting platform 81 is carried in irradiation.
Figure 11 shows from the figure of the side view of the viewed of the related image projecting system 111 of the variation of first embodiment.Projected to from the part of the projected light of light source 12 projections and to be carried the whole surface of putting platform 81.
The semi-transparent semi-reflecting lens 121 that has a part that can reflecting incident light in the place ahead of the light source 12 of the image photogenerated portion 11 that is disposed at projector 51 (for example, sees through light: reflected light=95: 5).
Semi-transparent semi-reflecting lens 121 is configured to the part from the light of light source 12 projections is directed to carry put on the platform 81.
Through being made as this structure; With first embodiment likewise; Not only, also put the white light of platform 81 projections, therefore be equipped with when being taken the photograph body 71 carrying as illumination light to carrying to the image of blank 83 projections expectations; Being taken the photograph body 71 must be brighter by rayed, can utilize camera 54 will be taken the photograph body 71 shootings and be brighter image.In addition, not needing the first embodiment that kind is black image with the image projecting of left side, right side, center section part, therefore can improve the light utilization ratio.
In addition, though not shown, screen 82 also can constitute through connector etc. with projector 51 and be electrically connected, and projector 51 freely carries out installation and removal with respect to screen 82.
In addition, image projecting system 111 that first embodiment is related be made as with carry the structure that projector 51 has been fixed on the top of putting the screen 82 that platform 81 becomes one.Yet fixedly the position of projector 51 is not limited to the top of screen 82, also can be fixed in the left part or the right part of screen 82.In addition, other structure that also can rigidity is stronger is disposed at the left part of screen 82 and the either side in the right part, fixing projector 51 on other structure.
In addition; Carried out representing the record of the following this meaning: the shooting direction that also can be made as camera 54 is fixing but automatic perhaps according to the structure that moves on user's the spherical surface that operates in the dome fixed part; But the shooting direction of camera 54 is taken towards the direction of blank 83; The data that blank 83 obtains are taken in storage in image store portion 64, automatic shooting blank frame 84 in the time of also can working as deenergization, and the data that obtain are taken in storage in image store portion 64.
In addition; First embodiment shows the projection-type image display device of the optical modulation element that uses infiltration type; But be not limited to this; In the projection-type image display device that possesses other image photogenerated system, also can use the present invention, DMD (Digital Mirror Device: DMD) mode, LCOS (LiquidCrystal on Silicon: liquid crystal on silicon) mode, used in the solid light source mode of solid light sources such as laser and also can use the present invention.
(structure of screen)
Figure 12 shows the stereographic map put the screen 82 that platform 81 becomes one with carrying of first embodiment.
It is vertical that support foot 85 forms from about the bottom of blank frame 84 end respectively, and ground between ground plane near, be formed with support foot 85 in order to avoid blank 83 and blank frame 84 are laid across with ground level ground.Thereby when from the viewed of screen 82, support foot 85 is the inverted T-shape shape.In addition, and the support foot 85 that forms of ground level ground and ground between ground plane set up castor 86.Thus, when wanting moving screen 82, the position that is provided with that can easily change screen 82 because castor 86 rotates.
Specify to carry with reference to Figure 13 and put platform 81.Figure 13 is a side view of observing the screen 82 of first embodiment from the side.(a) of Figure 13 illustrates the folding figure that puts platform 81 and be in unused state that carries.(b) of Figure 13 illustrates and puts platform 81 and be set to parallel to the ground and the apparatus 91 of being fixed is fixing and be in the figure of user mode carrying.
Be fixed in an end that carries the holding appliance 91 put platform 81 and be fixed in to carry and put near the front end of platform 81, the other end is fixed in support strip 87.In addition, be fixed in an end that carries the folding 92 put platform 81 and be fixed in to carry and put near the end of platform 81, the other end is fixed in the lower surface of blank frame 84.
When being in unused state, will carrying with the state of folding holding appliance 91 and folding 92 and to put platform 81 and pack up to parallel with the face of blank 83.In addition, when being in user mode,, utilize the not shown locking mechanism of holding appliance 91 to carry to put platform 81 to remain vertical with support foot 85 from the drop-down leading section of putting platform 81 that go out to carry of unused state.
Figure 14 observes the screen 82 of first embodiment and amplifies to carry the enlarged drawing of putting platform 81 from the side.(a) of Figure 14 illustrates the folding figure that puts platform 81 and be in unused state that carries.(b) of Figure 14 illustrates and puts platform 81 and be set to parallel to the ground and the apparatus 91 of being fixed is fixing and be in the figure of user mode carrying.Below, specify the method whether platform 81 is in user mode of putting of carrying that detects.
Shown in Figure 14 (a),, do not press detector switch 101 folding and carry when putting platform 81 and being in unused state; Shown in Figure 14 (b); Put platform 81 and be set to press detector switch 101 when parallel to the ground when carrying, put platform 81 and whether be in user mode thereby can detect to carry.
Through being made as this structure, to put platform 81 and be set to when parallel to the ground when carrying, detector switch 101 is pressed.For example, if make detector switch 101 and camera 54 interlocks, then can use to carry in reality to start camera 54 when putting platform 81, the use of camera 54 be more convenient.In addition, when unnecessary, can not start camera 54, therefore can cut down the electric power that camera 54 is consumed, realize long lifetime.
[second embodiment]
Below, the structure of the projection-type image display device that second embodiment is related is described with reference to accompanying drawing.In addition, in second embodiment, omit the explanation of the part that repeats with first embodiment.Figure 15 shows the block diagram of the structure of the related projector of second embodiment 51.
Notice that second embodiment and the more different point of first embodiment are: in second embodiment, can be saved in storer 65 overlappingly with taking the camera data that obtains with utilizing the blank marker pen to be logged into the image processing portion 61 that content on the screen 82a outputs to projector 51 by camera 54.
Utilize camera 54 to take to carry and put platform 81 upper surfaces, its camera data is projected to screen 82a via image processing portion 61, CPU 63 by image photogenerated portion 11.Thus, while the user can confirm to carry the image put platform 81 upper surfaces utilizes from the plate marker pen and on screen 82a, put down in writing literal, figure etc.These record data are imported into CPU 63 (afterwards stating) through screen 82a via the image processing portion 61 of projector 51.CPU 63 can make that to carry camera data and the record data on the screen 82a put platform 81 upper surfaces overlapping, and can be according to user's order etc., the data that obtain with putting down in writing data as overlapping camera data are saved in storer 65.
Below, the screen 82a and the blank marker pen that in second embodiment, use are described.
The blank 83 of screen 82a is covered with to have with the mesh mode and flows through the metal wire that repeats the alternating current of on-off with specific interval, covers this metal wire surface to strengthen melmac.In addition, though not shown, the employed blank marker pen of second embodiment possesses coil at leading section, on this coil, is connected with capacitor.
When in the metal wire of blank 83, flowing through alternating current, the coil of blank marker pen produces induction current in the time of near the leading section of blank marker pen is positioned at blank 83, and the capacitor that is connected with coil is recharged.Then, when in the metal wire of blank 83, not having alternating current to flow, electric current flowed to coil from capacitor when the leading section of the blank marker pen that is recharged when capacitor was positioned near the blank 83, in the metal wire of blank 83, flow through induction current.Flow through the induction current in the metal wire of this blank 83 through detection, can confirm the blank marker pen is positioned at which position of blank 83.Owing to repeat to flow through the on-off of the alternating current of metal wire with specific interval, therefore can detect the position of blank marker pen on blank 83 by specific interval.Thereby, through on screen 82a, fluidly moving the blank marker pen, the track of blank marker pen is obtained as data such as literal, figures.These data are outputed to the image processing portion 61 of projector 51 as the record data.
When utilizing image photogenerated portion 11 will put down in writing data projection once more, even the blank marker pen does not have ink can put down in writing literal, figure etc. yet to screen 82a.
Like this, CPU 63 can make that to carry camera data and the record data on the screen 82a put platform 81 upper surfaces overlapping, can be according to user's order etc., and the data that obtain with putting down in writing data as overlapping camera data are saved in storer 65.
Claims (11)
1. an image projecting system comprises projection-type image display device, and this projection-type image display device possesses: light source; Light-modulating cell, it is modulated the light from this light source; Projecting cell, it carries out enlarging projection to the light that is undertaken by this light-modulating cell after the optical modulation; Image unit, it takes specific scope, and this projection-type image display device is to carrying out enlarging projection based on the image from the input signal of video signal of above-mentioned image unit, and this image projecting system is characterised in that,
Possess screen, this screen is used for the image of projection from above-mentioned projection-type image display device, has in the bottom of screen to carry to put platform, and wherein, above-mentioned specific scope comprises the upper surface of putting platform in above-mentioned year at least.
2. image projecting system according to claim 1 is characterized in that,
Above-mentioned screen possesses: the record zone, can freely utilize Writing utensil equipped this record of putting down in writing and wipe in this record zone; The record regional frame, it covers four limits in this record zone; Two foots, it makes above-mentioned record zone upright; And rib, it forms vertical with above-mentioned two foots and is connected respectively with above-mentioned two foots, is used to support put platform in above-mentioned year.
3. image projecting system according to claim 1 is characterized in that,
Above-mentioned projection-type image display device possesses catoptron, and this catoptron makes the image of wanting projection to crooked like lower direction and amplify reflection, and this direction is the acutangulate direction of ejaculation direction with above-mentioned projecting cell.
4. image projecting system according to claim 1 is characterized in that,
This image projecting system constitutes the coverage that can change above-mentioned image unit or takes direction.
5. image projecting system according to claim 1 is characterized in that,
Also possess the intrusion detecting unit, this intrusion detection is taken the photograph in the coverage whether body invade above-mentioned image unit,
This image projecting system comes the image of being taken by above-mentioned image unit from above-mentioned projection-type image display device projection according to the testing result of being taken the photograph the body intrusion that has that is obtained by this intrusion detection.
6. image projecting system according to claim 1 is characterized in that,
The part of the light that will penetrate from above-mentioned projection-type image display device is made as the illumination light that platform was put in irradiation in above-mentioned year.
7. image projecting system according to claim 1 is characterized in that,
Putting platform in above-mentioned year is set to and can freely folds.
8. image projecting system according to claim 7 is characterized in that,
Also possess the use detecting unit, this use detection was put platform in above-mentioned year and whether is in user mode,
Be when putting platform in above-mentioned year and being in user mode by this use detection, connecting the power supply of above-mentioned image unit.
9. image projecting system according to claim 1 is characterized in that,
Above-mentioned screen possesses the record data processing division, and this record data processing division will utilize the record content of Writing utensil equipped record to datumize as the record data,
Wherein, this image projecting system possesses storage part, and this storage part is preserved above-mentioned record data and and data that obtain overlapping from the input signal of video signal of above-mentioned image unit.
10. a projection-type image display device possesses: light source; Light-modulating cell, it is modulated the light from this light source; And projecting cell, it carries out enlarging projection to the light that is undertaken by this light-modulating cell after the optical modulation,
This projection-type image display device possesses the image unit of taking specific scope; This projection-type image display device utilizes above-mentioned light-modulating cell to carry out optical modulation to taking the image that obtains by this image unit; Carry out enlarging projection from the image of above-mentioned projecting cell after to optical modulation; Wherein, this specific scope comprise at least the screen that uses when this projection-type image display device carries out projection the bottom carry the upper surface put platform.
11. put the recording plate that platform becomes one with carrying for one kind; Can be used in the image of projection from projection-type image display device; This projection-type image display device possesses image unit; This recording plate possesses: the record zone, can freely utilize Writing utensil equipped this record of putting down in writing and wipe in this record zone; The record regional frame, it covers four limits in this record zone; Two foots, it makes above-mentioned record regional frame upright; Rib, it forms vertical with above-mentioned two foots and is connected respectively with above-mentioned two foots; And carry and to put platform, it is used for carrying puts the observation thing, is individually fixed in the lower end of above-mentioned rib and above-mentioned record regional frame;
Wherein, above-mentioned image unit can be taken and carry the upper surface put platform, and above-mentioned projection-type image display device is to carrying out enlarging projection based on the image from the input signal of video signal of above-mentioned image unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009068449A JP2010224015A (en) | 2009-03-19 | 2009-03-19 | Projection video display device, writing board, and projection video system |
| JP2009-068449 | 2009-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101840135A CN101840135A (en) | 2010-09-22 |
| CN101840135B true CN101840135B (en) | 2012-08-29 |
Family
ID=42737127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101389112A Expired - Fee Related CN101840135B (en) | 2009-03-19 | 2010-03-19 | Projection type image display apparatus, recording plate and image projecting system |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20100238141A1 (en) |
| JP (1) | JP2010224015A (en) |
| CN (1) | CN101840135B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5304848B2 (en) * | 2010-10-14 | 2013-10-02 | 株式会社ニコン | projector |
| US9521276B2 (en) | 2011-08-02 | 2016-12-13 | Hewlett-Packard Development Company, L.P. | Portable projection capture device |
| EP2740008A4 (en) * | 2011-08-02 | 2015-09-16 | Hewlett Packard Development Co | Projection capture system and method |
| CN102848816A (en) * | 2012-09-14 | 2013-01-02 | 句容富达教学设备科技有限公司 | Multimedia teaching system |
| CN105706028B (en) * | 2013-11-19 | 2018-05-29 | 麦克赛尔株式会社 | Projection-type image display device |
| CN103916614A (en) * | 2014-01-13 | 2014-07-09 | 浙江恩佐瑞视科技有限公司 | Movable type multifunctional entertainment interactive equipment |
| WO2016116810A1 (en) * | 2015-01-20 | 2016-07-28 | Otm Technologies Ltd. | Devices and methods for generating input |
| KR101663240B1 (en) * | 2015-06-12 | 2016-10-14 | 주식회사 테라클 | Lighting board system |
| CN106142921B (en) * | 2016-07-22 | 2018-07-06 | 重庆多创电子技术有限公司 | Multifunction electronic blackboard |
| JP6928803B2 (en) * | 2017-07-10 | 2021-09-01 | 株式会社ミツトヨ | Imaging device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195447Y (en) * | 1994-08-27 | 1995-04-26 | 苏尚州 | Blackboard |
| US5624173A (en) * | 1996-03-19 | 1997-04-29 | Davidson; Steven | Video frame system |
| US6394609B1 (en) * | 1999-03-03 | 2002-05-28 | 3M Innovative Properties Company | Integrated front projection system |
| JP2003015216A (en) * | 2001-06-29 | 2003-01-15 | Toshiba Corp | Projection equipped with camera |
| CN1431553A (en) * | 2002-01-08 | 2003-07-23 | 圆刚科技股份有限公司 | Real object projection device capable of labeling projection position |
| CN101329501A (en) * | 2007-06-19 | 2008-12-24 | 精工爱普生株式会社 | Display device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2021865A1 (en) * | 1989-07-26 | 1991-01-27 | Seizi Maruo | Multimedia telemeeting terminal device, terminal device system and manipulation method thereof |
| JPH06347898A (en) * | 1993-06-04 | 1994-12-22 | Fuji Photo Film Co Ltd | Electronic blackboard |
| JPH10193872A (en) * | 1997-01-14 | 1998-07-28 | Tec Corp | Electronic blackboard |
| JP2003341289A (en) * | 2002-05-29 | 2003-12-03 | Ricoh Elemex Corp | Electronic blackboard apparatus |
| JP2004118488A (en) * | 2002-09-26 | 2004-04-15 | Minolta Co Ltd | Network device |
| JP3953949B2 (en) * | 2002-12-19 | 2007-08-08 | リコーエレメックス株式会社 | Presentation device |
| JP2004252345A (en) * | 2003-02-21 | 2004-09-09 | Tsubasa System Co Ltd | Presentation apparatus |
| GB0424839D0 (en) * | 2004-11-10 | 2004-12-15 | Enjoy Birds More Ltd | Improvements relating to imaging of nesting birds |
| US7980708B2 (en) * | 2005-06-08 | 2011-07-19 | Fujinon Corporation | Document presentation device including a movable part |
| JP4708095B2 (en) * | 2005-06-08 | 2011-06-22 | 富士フイルム株式会社 | Document presentation device |
| JP5092459B2 (en) * | 2006-07-18 | 2012-12-05 | 富士ゼロックス株式会社 | Remote indication system and program for remote indication system |
| JP4467609B2 (en) * | 2006-09-29 | 2010-05-26 | 三洋電機株式会社 | Projection display apparatus and projection display system |
-
2009
- 2009-03-19 JP JP2009068449A patent/JP2010224015A/en active Pending
-
2010
- 2010-03-19 CN CN2010101389112A patent/CN101840135B/en not_active Expired - Fee Related
- 2010-03-19 US US12/727,777 patent/US20100238141A1/en not_active Abandoned
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195447Y (en) * | 1994-08-27 | 1995-04-26 | 苏尚州 | Blackboard |
| US5624173A (en) * | 1996-03-19 | 1997-04-29 | Davidson; Steven | Video frame system |
| US6394609B1 (en) * | 1999-03-03 | 2002-05-28 | 3M Innovative Properties Company | Integrated front projection system |
| JP2003015216A (en) * | 2001-06-29 | 2003-01-15 | Toshiba Corp | Projection equipped with camera |
| CN1431553A (en) * | 2002-01-08 | 2003-07-23 | 圆刚科技股份有限公司 | Real object projection device capable of labeling projection position |
| CN101329501A (en) * | 2007-06-19 | 2008-12-24 | 精工爱普生株式会社 | Display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101840135A (en) | 2010-09-22 |
| JP2010224015A (en) | 2010-10-07 |
| US20100238141A1 (en) | 2010-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101840135B (en) | Projection type image display apparatus, recording plate and image projecting system | |
| CN100505852C (en) | Electronic device | |
| CN102224455B (en) | Projection device | |
| FI125261B (en) | Stereo digital camera / stereo digital camera, 3-D display, 3-D projector and printer, and stereo viewer | |
| US6474819B2 (en) | Combination overhead projector and electronic display device | |
| CN108933920B (en) | Video picture output and viewing method and device | |
| JP2018522510A (en) | Multi-purpose portable device case / cover integrated with camera system for 3D and / or 2D high quality video shooting, photography, selfie recording and non-electric 3D / multi video and still frame viewer | |
| CN103945117A (en) | Photographing unit, cooperative photographing method, and recording medium having recorded program | |
| CN106851234A (en) | The control method of projecting apparatus and projecting apparatus | |
| CN104635403A (en) | Image pickup device and projector | |
| CN105379244A (en) | Image-capturing device and method for capturing image | |
| JP2012118529A (en) | Three-dimensional conversion projection system | |
| CN103888646A (en) | Image Pickup Apparatus And Control Method Of Image Pickup Apparatus | |
| JP2013083755A (en) | Display device, method of controlling display device, and program | |
| JP2002062578A (en) | Photographing holder for camera | |
| JP2008165077A (en) | Image projector | |
| CN113542463B (en) | Video shooting device and method based on folding screen, storage medium and mobile terminal | |
| CN107111217A (en) | Projection display unit | |
| US20060221200A1 (en) | Display device and portable imaging device | |
| JP2003099194A (en) | Pointing location detection method and device, and pointing device | |
| KR20150015664A (en) | Beam projector using flash of portable device | |
| JP2013219570A (en) | Imaging apparatus | |
| JP2010135963A (en) | Imaging apparatus, and control method of imaging apparatus | |
| JP2020022065A (en) | Distribution device, camera device, distribution system, distribution method, and distribution program | |
| US20080284894A1 (en) | Device capable of image capturing and image projection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20130319 |